JK
John Keefe — 1930 US Census Record
Model Tree available1930 United States Federal Census · Middlesex, Massachusetts
Our Model Tree links this John Keefe across the 1910, 1920 and 1930 US Censuses in Middlesex, Massachusetts (XGBoost, ~Confirmed), with identified parents James & Margaret — first a son (b.~1903), then head of a 2-person household.
Age 27
b. ~1903
Male
Son
Born: Vermont
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Middlesex, Massachusetts |
| Surname | Keefe |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Occupation | Truck Driver |
| Industry | Radio Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
| Occupation | Truck Driver |
| Township / Ward | Town Of Belmont 149 |
| Est. Birth Year | ~1903 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
2 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Keefe | Son | — | 27 | ~1903 |
| Margaret Keefe | Head | — | 62 | ~1868 |
Census Appearances
1910
Windham, Vermont
Son, age 8
Windham, Vermont · implied b. ~1902 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keefe |
| Given Name | Joel J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Massachusetts |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1920
Middlesex, Massachusetts
Son, age 17
Middlesex, Massachusetts · implied b. ~1903 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keefe |
| Given Name | Joel |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Vermont |
| Mother's Birthplace | Massachusetts |
| Occupation | Clerk |
| Industry | Retail |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
1930
Middlesex, Massachusetts
Son, age 27
Middlesex, Massachusetts · implied b. ~1903 — 2 household members
| Surname | Keefe |
| Given Name | John J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Vermont |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Truck Driver |
| Industry | Radio Construction |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Vermont |
| Birth Country | United States |
| Birthplace (normalized) | vermont |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Keefe across 3 US Census years (1910, 1920 and 1930) in 2 locations, using XGBoost record linkage. Identified parents: father James Keefe (~0.92 confidence) and mother Margaret Keefe (~0.92 confidence) and mother Margaret Keefe (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Keefe
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Margaret Keefe
b. ~1865
Source mother
● Household
· direct · ~0.92
Mother
Margaret Keefe
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Keefe
Son · 1930 · age 27 · b. ~1903 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Middlesex, Massachusetts
Open full size
1930 US Federal Census — Middlesex, Massachusetts
Page Contents
49 people indexed on this census page (ia:1930:massachusettscensus00reel914:0934)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 2 | Charles R. Bartlett | 56 | Head | Office Manager | Connecticut |
| 3 | Eliza S. Bartlett | 53 | Wife-H | — | Connecticut |
| 4 | Percy C. Earle | 37 | Head | Salesman | Massachusetts |
| 5 | Gladys R. Earle | 35 | Wife-H | — | Massachusetts |
| 6 | Donald P. Earle | 5 | Son | — | Massachusetts |
| 7 | Henry Pratley | 26 | Head | Salesman | Massachusetts |
| 8 | Ann Pratley | 23 | Wife-H | — | Massachusetts |
| 9 | Olaf Otley | 37 | Head | Engineer | Norway |
| 10 | Agnes V. Otley | 31 | Wife-H | Stenographer | Mass. Dutch |
| 11 | Nora U. Lindholdt | 63 | Sister-in-law | — | Norway |
| 12 | John E. Lundberg | 55 | Head | Foreman | Connecticut |
| 13 | Helen G. Lundberg | 50 | Wife-H | — | Rhode Island |
| 14 | John P. Lundberg | 11 | Son | — | Rhode Island |
| 15 | Frank W. Thompson | 51 | Head | Sales Manager | Massachusetts |
| 16 | Lucie P. Thompson | 48 | Wife-H | — | Massachusetts |
| 17 | Seymour S. Miller | 31 | Head | Agent | New York |
| 18 | Ruth Miller | 30 | Wife-H | — | Massachusetts |
| 19 | Hopewell Miller | 3 | Daughter | — | Massachusetts |
| 20 | Edmund Bunyan | 37 | Head | Auditor | Massachusetts |
| 21 | Mary F. Bunyan | 37 | Wife-H | — | Massachusetts |
| 22 | Mary Ann Mulcahy | 54 | Mother-in-law | Nursing | Massachusetts |
| 23 | Eleanor Bunyan | 10 | Daughter | — | Massachusetts |
| 24 | Harold H. Lynch | 36 | Head | Estimator | Massachusetts |
| 25 | Florence Lynch | 35 | Wife-H | — | Massachusetts |
| 26 | Jane Lynch | 4 | Daughter | — | Massachusetts |
| 27 | Margaret Keefe | 62 | Head | — | Massachusetts |
| 28 | John J. Keefe THIS PERSON | 27 | Son | Truck Driver | Vermont |
| 29 | Ernest J. Woodward | 48 | Head | Repairer | Massachusetts |
| 30 | Alice M. Woodward | 43 | Wife-H | — | Massachusetts |
| 31 | Donald H. Woodward | 10 | Son | — | Massachusetts |
| 32 | Maria S. Hubbard | 73 | Mother-in-law | — | Massachusetts |
| 33 | Arthur J. Yarnell | 41 | Head | Electrician | Massachusetts |
| 34 | Edith L. Yarnell | 41 | Wife-H | Housekeeper | Massachusetts |
| 35 | Edith L. Yarnell | 10 | Daughter | — | Massachusetts |
| 36 | Olive E. Giles | 27 | Boarder | Teacher | Massachusetts |
| 37 | Charles R. Giles | 23 | Boarder | Bookkeeper | Massachusetts |
| 38 | Thomas Williams | 22 | Boarder | Mechanic | Massachusetts |
| 39 | Harold Budman | 24 | Boarder | Mechanic | Massachusetts |
| 40 | Joseph Cahill | 32 | Head | Presser | Italy |
| 41 | Louise Cahill | 27 | Wife-H | — | Ohio |
| 42 | Richard E. Maguire | 51 | Head | Post Office Clerk | Massachusetts |
| 43 | Emma M. Maguire | 51 | Wife-H | — | Massachusetts |
| 44 | Ernest Y. Maguire | 19 | Son | — | Massachusetts |
| 45 | Ernest J. Woodward | 31 | Head | Architect | Massachusetts |
| 46 | Beatrice Woodward | 31 | Wife-H | — | Massachusetts |
| 47 | Francis J. Woodward | 4 | Son | — | Massachusetts |
| 48 | Robert M. Woodward | 0 | Son | — | Massachusetts |
| 49 | Winifred Mullan | 37 | Head | Bookkeeper | Massachusetts |
| 50 | Agatha Thompson | 30 | Sister | Stenographer | Massachusetts |
Pedigree Summary
John
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)